Global Warming

Recently, some scientists have claimed that human-caused global warming poses a significant threat to the survival of many species. For most species at risk, they argue, warming will cause the range o…

Scientific debate continues regarding the extent to which human activities contribute to global warming and what the potential impact on the environment might be. Importantly, much of the scientific e…

Environmental lobbyists quickly responded to the Gulf Coast devastation of hurricanes Katrina and Rita with loud assertions that the underlying cause of these more frequent, more dangerous and more co…

A consensus is forming concerning the appropriate response to global warming. While scientists continue to debate the extent to which humans are responsible for rising average global temperatures, a g…

For over 30 years, Lester Brown, a MacArthur Foundation "genius award" winner and president of the Earth Policy Institute, has warned that human activities threaten agricultural productivity and human…

Only in the past 20 years have scientists begun to understand that the Earth has a moderate, persistent 1,500-year climate cycle that creates warmer and cooler periods of time. Sunspot records and the…